Improvement in the mode of making cast-iron wheels for cars to be used on railroads



-UNTTED STATES PATENT OFFICE.

RY MOOERS, OF BEAVER MEADOWS, PENNSYLVANIA.

IMPROVEMENT lN THE MODE OF MAKING CAST-IRON WHEELS FOR CARS T0 BE USED 0N RAILROADS, AND APPLICABLE TO O THER PURPOSES.

Specification forming part of Letters Patent No. 634, dated March l0, 1838.

To @ZZ wiz/0m, t may concern,.-

Be it known that I, HENRY MooERs, of Beaver Meadows, in the county of Northampton and State of Pennsylvania, have invented a new and useful Improvement on Car-\Vheels; and I do hereby declare that the following isl a full and exact description thereof.

The nature of my invention consists in casting a car-wheel of any size and description with a hub solid and chilled, and of cooling them with water or other liquid, so as to prevent them from straining and breaking, thereby differing from the common ones now in use, the hubs of the present common car-wheels being cast in sections, requiring them to be wedged, banded, and drilled, the expense of which will be entirely saved by casting the hubs solid, and the wheels will Wear much longer, being a saving-of about three dollars on the first cost ofthe wheel and much more in the superior service they will perform.

To enable others skilled in the art to make and use my invention, I will proceed to describe its construction.

I construct my pattern for the Wheel in the ordinary or any known form, with the exception that I put upon the lower side ofthe pattern a print, A, of Wood or iron, varying in size according to the size and weight ofthe wheelthree-eighths or one-half inch smaller than the holeis intendedto loe at the outer end ofthe axle of the car, and of' more tape1-'from one to two inches deep-for the lower chill, B, to fit upon, thereby holding it in its place at the center of the wheel, the lower chill, B, being a piece of iron or steel ofthe size ofthe hub, or a little larger, turned and bored out in a circular aperture, C, to f it the printA on the pattern, the center pin or chill, D, being turned to fit the lower chill, with a shoulder three-eighths or one-half inch all round, to make the sizeof the hole in the hub at the outer end, and at the length intended for the hub a shoulder the saine as at the other end, the center chill having a taper of three-eighths of an inch in seven inches, so that it can be keyed or driven out by a key, E, inserted into the mortise F. I then have a plate or chill, G, of the size ofthe hub, or a little smaller, turned and bored out to fit the center chill and hub.

The manner of setting and truing the pin is as follows: I first set the center chill., D, firm in the bottoni chill, B. Then by means of an iron trammel or sweep, H, arranged to fit the top ofthe pin, and a brace, I, to set against the lower part of the pin, with a horizontal arm, J, and asetscrew, K, at the outer end, to sweep upon the face of the outside chill of the wheel, by the turning of which I ascertain when thepin is set true. I then put on the top chill or plate, G, and close the ask,which is of the usual construction. I then pour the metal into the mold. As soon asl the iron becomes sufficiently cool I lift off the flask, and

,by means of a key, E, or hammer, I draw or drive the pin out of the hub. I then pour water in the hub to cool it as fast as the rim and arms, keeping the wheel and hub at the same temperature to prevent them from straining and breaking. I put a couple ofiron bars or dies, L, ou two opposite sides of the pin and resting on top of chill B, to form aslot in the end ofthe hub to receive a key to fasten the wheel upon the axle. (See Figs. l, 6, '7, and 8.) The key-slot will be the same shape as the bars or dies.

What I claim as iny invention, and desire to secure by Letters Patent, is-

The mode of chilling the hub by means of the combined chills, so as to make a car-wheel with a solid hub without their straining or being liable to break, as before described.

HENRY MOOERS. Vitynesses;

M. L. PnsrANA, W. O. GURRAN. 

